Tuesday tech deals: $152 off Polk Audio home theater sound system

Walmart offers the Polk Audio SurroundBar SDA Instant Home Theater with Wireless Subwoofer, model no. AM1805-B, for $198. Shipping adds $1.97, or opt for free Site-to-Store. Even with shipping, that's $152 off and the lowest total price we've ever seen for this system. Sales tax is added where applicable. This system features a soundbar with two 1/2" dome tweeters, two 2-1/2" midrange drivers, and two 2-1/2" SDA woofers, and a wireless subwoofer.

Shop4Tech offers this USB Hotsync/Charging 2-in-1 Cable for Apple iPod and iPhone in White for $1.17. Coupon code "OC15" cuts it to 99 cents. With free shipping, it's $1 under an April deal as the lowest total price we could find for a similar cable by $1. Deal ends October 23. It's also significantly cheaper than the $19.99 cable offered directly through Apple's online store.

Gamefly discounts selected used video games for various platforms, as listed below. With free shipping, each is at least $8 under the best price we could find for a new one. The deals: Brink for PS3 or Xbox 360 $9.99, Star Wars: The Force Unleashed II for Xbox 360 $9.99, Medal of Honor for PS3 $9.99, Majin and the Forsaken Kingdom for PS3 $9.99, MLB 11: The Show for PS3 $19.99, browse all discounted and used video games at Gamefly.